This is a vintage Seiko 5 Actus SS automatic watch from the late 1960s/early 1970s, featuring a tonneau-shaped stainless steel case and minimalist silver sunburst dial. The watch houses the reliable Caliber 6106 movement with 23 jewels, hacking seconds feature, and quickset day-date function.

• Movement Jewels: 23 jewels
• Case Material: stainless steel tonneau case
• Diameter: not specified

This Seiko 5 Actus SS is a vintage automatic watch from the late 1960s and early 1970s, designed for young professionals. It features a tonneau-shaped case and minimalist silver sunburst dial with applied bar indices and baton hands.

• Movement: Seiko Cal. 6106 (23 Jewels, hacking seconds)
• Water Resistance: Water Resistant

This is a 1970s Vintage Seiko 5 Actus SS watch with an automatic movement and tonneau-shaped case. It features a silver sunburst dial, stainless steel case, and black leather strap. The watch has a water-resistant design but the exact rating is unknown.

• Condition: Not serviced
• Movement: Seiko Cal. 6106 (23 Jewels, hacking seconds)
• Case shape: Tonneau
• Water resistance: Water Resistant

This 1970s Seiko 5 Actus SS is a vintage automatic watch with a tonneau-shaped case and silver sunburst dial. It features a reliable Caliber 6106 movement, 23 jewels, day-date function, and hacking seconds feature. The watch is part of Seiko's effort to appeal to the growing domestic market in 1970s Japan.

• Movement: Seiko Cal. 6106 (23 Jewels, hacking seconds, quickset day/date)
• Production era: Circa 1970
• Manufacture: Suwa Seikosha, Japan

This is a vintage 1970s Seiko 5 Actus SS automatic watch with a tonneau-shaped stainless steel case and a silver sunburst dial. It features an automatic movement with 23 jewels, hacking seconds, and day-date functions. The watch was produced by the Suwa Seikosha factory in Japan.

• Movement Type: Automatic
• Jewels: 23
• Case Shape: Tonneau